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son4ous [18]
3 years ago
15

When electrons are removed from the outermost shell of a calcium atom, the atom becomes

Physics
2 answers:
Rzqust [24]3 years ago
8 0

A cation has a smaller radius than the atom.

jeka943 years ago
4 0
A cation
Cations are positive ions that have lost an electron
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n200080 [17]

Answer:

all of those are pisitions

Explanation:

6 0
2 years ago
How are magnetic poles and electrical charges similar? A. Their same forces repel each other, and their opposite forces attract
melomori [17]

Answer:

A. Their same forces repel each other, and their opposite forces attract each other.

Explanation:

As we know by the property of electric charge that similar charges repel each other and opposite charges attracts each other

So here we have similar situation in magnets also

Two similar poles or like poles of magnet i.e. North - North poles or South - South poles always repel each other

And also we can see that opposite poles of magnet each other i.e. North pole and south pole always attract each other.

SO here correct answer is

A. Their same forces repel each other, and their opposite forces attract each other.

8 0
3 years ago
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tamaranim1 [39]
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8 0
3 years ago
What are the three most abundant gases in the dry atmosphere?
Anastaziya [24]

Answer:

Nitrogen, Oxygen, Argon.

Explanation:

The three (3) most abundant gases in the dry atmosphere are"

- Nitrogen

- Oxygen

- Argon

These are not the only components of dry air. Dry atmosphere is made up of:

- 78.09% Nitrogen;

- 20.95% Oxygen;

- 0.93% Argon;

- 0.04% Carbon dioxide;

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6 0
2 years ago
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A 25kg object is 3.0 meters up. How much potential energy does it have
Anon25 [30]
GPE=mgh
=25 x 10 x 3
=750J
4 0
3 years ago
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